MK
Mary Kerr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Imperial-County, California
Our Model Tree links this Mary Kerr across the 1930 and 1940 US Censuses in Imperial-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Arkansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Imperial-County, California |
| Surname | Kerr |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Calipatria City |
| Additional Details | |
| Class of Worker | none |
| Highest Grade | 6 |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Calipatria City |
| Est. Birth Year | ~1900 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Philip Kerr | Head | — | 47 | ~1893 |
| Mary Kerr | Spouse | — | 40 | ~1900 |
| Freda Kerr | Daughter | — | 11 | ~1929 |
| Philip Kerr | Son | — | 19 | ~1921 |
| Bennie Kerr | Daughter | — | 7 | ~1933 |
| Cheryl Kerr | Daughter | — | 5 | ~1935 |
| Dorothy Kerr | Daughter | — | 15 | ~1925 |
| Mildred Kerr | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Imperial, California
Other, age 29
Imperial, California · implied b. ~1901 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kerr |
| Given Name | Mae E |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Arkansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Imperial-County, California
Spouse, age 40
Imperial-County, California · implied b. ~1900 — 8 household members
| Surname | Kerr |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Arkansas |
| 1935 Residence (City) | Calipatria City |
| Class of Worker | none |
| Highest Grade | 6 |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Kerr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kerr
Spouse · 1940 · age 40 · b. ~1900 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Imperial-County, California
Open full size
1940 US Federal Census — Imperial-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00210-00693)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carrie Minor | 19 | daughter | None | Texas |
| 42 | William Edgar Reed | 38 | head | Assistant Superint. | Texas |
| 43 | Olivia Reed | 35 | wife | — | Texas |
| 44 | William Edgar Jr. Reed | 9 | son | — | California |
| 45 | Ray Neilson | 23 | lodger | Assistant Superint. | California |
| 46 | E. Erickson | 25 | lodger | Grant Supervisor | Minnesota |
| 47 | Thomas J. Balser | 24 | head | Truck Driver | Texas |
| 48 | Philip Kerr | 47 | head | 44 | Arkansas |
| 49 | Mary Kerr THIS PERSON | 40 | wife | — | Arkansas |
| 50 | Philip Jr. Kerr | 19 | son | — | Arkansas |
| 51 | Dorothy Kerr | 15 | daughter | — | Arkansas |
| 52 | Mildred Kerr | 13 | daughter | — | Arkansas |
| 53 | Freda Kerr | 11 | daughter | — | California |
| 54 | Bennie Kerr | 7 | daughter | — | California |
| 55 | Cheryl Kerr | 5 | daughter | — | California |
| 56 | Naomi J. Miller | 68 | head | — | Missouri |
| 57 | Ken Miller | 42 | son | Repair Mechanic | Texas |
| 58 | Milton Miller | 39 | son | 72 | Oklahoma |
| 59 | Emmit Miller | 36 | son | 72 | Oklahoma |
| 60 | Lucile Crawley | 30 | daughter | — | Oklahoma |
| 61 | Faraline Fleming | 8 | granddaughter | — | California |
| 62 | Bonnie Jane Stainworth | 12 | granddaughter | — | California |
| 63 | John Robert Buttery | 67 | head | Laborer | Illinois |
| 64 | Michael Joseph Donner | 45 | head | 48 | At Sea |
| 65 | Charles Rhodes | 37 | head | 84 | Oklahoma |
| 66 | Minnie Rhodes | 36 | wife | — | Oklahoma |
| 67 | Charles F. Rhodes | 14 | son | — | Oklahoma |
| 68 | Ardina Bell Rhodes | 10 | daughter | — | Oklahoma |
| 69 | Jerry Stephens Rhodes | 6 | son | — | California |
| 70 | Clyde Harding | 33 | head | 8 | Kansas |
| 71 | Chattie Harding | 35 | wife | — | Arkansas |
| 72 | Jack A. Blanken-Ship | 24 | son-in-law | Laborer | South Carolina |
| 73 | Mary Blanken-Ship | 19 | daughter | — | Texas |
| 74 | Aubrey W. Underwood | 41 | head | Telegraph Operator | Texas |
| 75 | Cita Underwood | 37 | wife | — | New Mexico |
| 76 | Sylvia Underwood | 16 | daughter | — | New Mexico |
| 77 | Loretta Underwood | 13 | daughter | — | Oklahoma |
| 78 | Martin (Ab) Herrle | 40 | head | — | Washington |
| 79 | Bernadean Herrle | 32 | wife | 48 | Texas |
| 80 | Martin Herrle | 5 | son | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)